Join Date: Jan 2004
What? is offline
Re: p1137 and p0137 codes?
He's right, you only need to replace o2 sensor on AFTER cat, either that OR your cat is bad. Either way isn't affecting your engine unless cat is clogged bad then you'll lose mpg and power.
R.I.P. Grant ('82-'02), BagNDragS10 ('80-'06), Loenuff ('66-'07), Terryl ('57-'09) Gearstix ('93-'10), Gimp ('84-'16)
If you have any problem, issue, thread/post change, request. Feel free to PM me.